op·tic·alBrE/ˈɒptɪkl/NAmE/ˈɑːptɪkl/adjective[usually before noun]connectedwiththesenseofsightortherelationshipbetweenlightandsight视力的;视觉的;光学的◆opticaleffects视觉效果usedtohelpyouseesthmoreclearly有助于视力的;光学的◆opticalaids助视器◆opticalinstrumentssuchasmicroscopesandtelescopes显微镜和望远镜等光学仪器(computing计算机) usinglightforreadingorstoringinformation光读取的;光存储的◆opticalstorage光存储器◆anopticaldisk光盘▸op·tic·al·lyBrE/ˈɒptɪkli/NAmE/ˈɑːptɪkli/adverb